Table 1.

Claims Codes

Variable	ICD-9 Code	CPT Code
Breast-conserving surgery	85.20, 85.21, 85.22, 85.23	19120, 19125, 19126, 19160, 19162
Breast cancer-related diagnosis and procedure claims
Biopsy	85.1–85.19	19000, 19001, 19100, 19101, 19110, 19112
Breast-conserving surgery	As above	As above
Mastectomy	85.33–85.48	19180–19255
Lymph node dissection	40.3	38525, 38740, 38745
Radiotherapy	92.2–92.29, 0330*, 0333*	77400–77499, 77520–77525, 77750–77799
History of breast cancer	V10.3	—

ICD-9 indicates International Classification of Diseases, Ninth Revision; CPT, Current Procedural Terminology.

^*Revenue Center code.